reduce import time by 6x (#1396)

* reduce import by 6x

* fix linting

src/crewai/utilities/internal_instructor.py

@@ -1,8 +1,5 @@
 from typing import Any, Optional, Type
 
-import instructor
-from litellm import completion
-
 
 class InternalInstructor:
     """Class that wraps an agent llm with instructor."""
@@ -28,6 +25,10 @@ class InternalInstructor:
         if self.agent and not self.llm:
             self.llm = self.agent.function_calling_llm or self.agent.llm
 
+        # Lazy import
+        import instructor
+        from litellm import completion
+
         self._client = instructor.from_litellm(
             completion,
             mode=instructor.Mode.TOOLS,

src/crewai/utilities/token_counter_callback.py

@@ -1,4 +1,5 @@
 from litellm.integrations.custom_logger import CustomLogger
+
 from crewai.agents.agent_builder.utilities.base_token_process import TokenProcess